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Object: 2017-05-12
Filter: r-band
FileDate: 2018-01-24T23:31:09
RA: 12:04:13.01
Dec: +38:18:14.8
Detector: ProLine_PL230
Observer: 240.0s
Exposure Time: 240.0

Image Tools:


Keyword Value Comment
SIMPLE True conforms to FITS standard
BITPIX 16 array data type
NAXIS 2 number of array dimensions
NAXIS1 1024
NAXIS2 1024
DEWTEM1 -20.0 dewar temperature (C)
DARKTIME 210.0 time since last read (seconds)
PIXSIZE1 15.0 pixel size for axis 1 (microns)
PIXSIZE2 15.0 pixel size for axis 2 (microns)
TELESCOP 0.5meter
OBSLONG -122.504 east longitude in degrees
OBSLAT 38.2887 latitude in degrees
ELEVATIO 60 elevation in meters
TELSCALE 51.5 arc-seconds/mm
ROTATOR 39.0 degrees
RA 12:04:13.01
DEC +38:18:14.8
COMMENT Original key: "EQUINOX"
_QUINOX 2017.36
HA +01:07:57 hh:mm:ss
AIRMASS 1.03 secant z
DOMEAZ 316.6 degrees
TRAKHA 15.041 arc-sec/second
TRAKDEC 0.0 arc-sec/second
TELFOCUS 4742.0 mm
HUMIDITY 0 RH percent
WINDSPEE 0 in m/s
WINDDIR 0 true azimuth in degrees
OAT 20.0 outside air temperature (C)
BAROM 1000.0 barometric pressure (mBar)
AMBIENT 11.0 Lower truss North (C)
PRIMARY 12.1 Primary mirror cell (C)
SECONDAR 10.9 Outside ring (C)
CLOUD 0.05 cloud coverage (0-1)
FILTER r-band
SLIT open
COMMENT Original key: "CRPIX1"
_RPIX1 512.0
COMMENT Original key: "CRPIX2"
_RPIX2 512.0
COMMENT Original key: "CTYPE1"
COMMENT Original key: "CTYPE2"
COMMENT Original key: "CRVAL1"
_RVAL1 181.054208
COMMENT Original key: "CRVAL2"
_RVAL2 38.304111
COMMENT Original key: "CD1_1"
_D1_1 -0.0004295833
COMMENT Original key: "CD1_2"
_D1_2 5.260879e-20
COMMENT Original key: "CD2_2"
_D2_2 -0.0004295833
COMMENT Original key: "CD2_1"
_D2_1 -5.260879e-20
EXPTIME 240.0 ACTUAL exposure time (seconds)
SHUTTER open camera shutter
TIMESYS UTC approximate
DATE-OBS 2017-05-12T06:01:22
UT 06:01:22 shutter opening time
MJD-OBS 57885.2509491 MJD of observation start
MJDHDR 57885.2537384 MJD of header creation
LSTHDR 13:16:12 LST of header creation
OBJECT 2017-05-12
PRODTYPE astrometrica Product Type
PIPEVERS 1_1_1 Pipeline Version
FILENAME 2017-05-12_bbenson_NGC4779_r_240.0s_bin2_0.WCS.fits
DATE 2018-01-24T23:31:09
HISTORY Reduced: AddKeys v0.1 2018-01-24_23:31:00
HISTORY CONFIG: /data/scripts/DataReduction/pipeconf_stonedge_auto.txt
COMMENT Original key: "END"
COMMENT --Start of WCS solution--
COMMENT --Put in by the new-wcs program--
WCSAXES 2 no comment
CTYPE1 RA---TAN-SIP TAN (gnomic) projection + SIP distortions
CTYPE2 DEC--TAN-SIP TAN (gnomic) projection + SIP distortions
EQUINOX 2000.0 Equatorial coordinates definition (yr)
LONPOLE 180.0 no comment
LATPOLE 0.0 no comment
CRVAL1 180.982999051 RA of reference point
CRVAL2 38.3627953627 DEC of reference point
CRPIX1 275.691692352 X reference pixel
CRPIX2 519.213935852 Y reference pixel
CUNIT1 deg X pixel scale units
CUNIT2 deg Y pixel scale units
CD1_1 -0.00042565254077 Transformation matrix
CD1_2 -5.34274180256e-05 no comment
CD2_1 5.32951704308e-05 no comment
CD2_2 -0.000425718451772 no comment
IMAGEW 1024 Image width, in pixels.
IMAGEH 1024 Image height, in pixels.
A_ORDER 2 Polynomial order, axis 1
A_0_0 0 no comment
A_0_1 0 no comment
A_0_2 1.08712220247e-06 no comment
A_1_0 0 no comment
A_1_1 9.67944330988e-08 no comment
A_2_0 -8.32786695211e-07 no comment
B_ORDER 2 Polynomial order, axis 2
B_0_0 0 no comment
B_0_1 0 no comment
B_0_2 9.60779911913e-07 no comment
B_1_0 0 no comment
B_1_1 -1.73896144545e-06 no comment
B_2_0 8.05350760002e-07 no comment
AP_ORDER 2 Inv polynomial order, axis 1
AP_0_0 8.52097849846e-05 no comment
AP_0_1 4.00262675518e-07 no comment
AP_0_2 -1.08846522121e-06 no comment
AP_1_0 -5.07467770269e-07 no comment
AP_1_1 -9.60809904853e-08 no comment
AP_2_0 8.33815035213e-07 no comment
BP_ORDER 2 Inv polynomial order, axis 2
BP_0_0 0.000149788068341 no comment
BP_0_1 2.1334588569e-07 no comment
BP_0_2 -9.61587107183e-07 no comment
BP_1_0 -3.00265382393e-07 no comment
BP_1_1 1.74193102252e-06 no comment
BP_2_0 -8.07342197891e-07 no comment
HISTORY Created by the suite.
HISTORY For more details, see
HISTORY Git revision 0.70
HISTORY Git date Wed_Dec_7_11:52:34_2016_-0500
HISTORY This WCS header was created by the program "blind".
HISTORY Reduced: astrometrica v0.2 2018-01-24_23:31:09
HISTORY astrometrica: astrocmd=/data/scripts/astrometry/install/bin/solve-field
HISTORY --batch --no-plots --overwrite --continue --skip-solved --index-xyls no
HISTORY ne --axy none --temp-axy --solved none --match none --rdls none --corr n
HISTORY one --pnm none --downsample 2 --scale-units arcsecperpix --guess-scale %
HISTORY s --out %s
HISTORY astrometrica: verbose=True
HISTORY astrometrica: delete_temp=True
HISTORY PipeMode = stoneedge
COMMENT Original WCS key: "DATE"
_ATE 2018-01-24T23:31:09 Date this file was created.
BZERO 32768
COMMENT -- blind solver parameters: --
COMMENT Index(0):
COMMENT /data/scripts/astrometry/install/data/index-4207-11.fits
COMMENT Index(1):
COMMENT /data/scripts/astrometry/install/data/index-4207-10.fits
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COMMENT /data/scripts/astrometry/install/data/index-4207-09.fits
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COMMENT /data/scripts/astrometry/install/data/index-4207-08.fits
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COMMENT /data/scripts/astrometry/install/data/index-4207-07.fits
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COMMENT Index(58):
COMMENT /data/scripts/astrometry/install/data/index-4201-01.fits
COMMENT Index(59):
COMMENT /data/scripts/astrometry/install/data/index-4201-00.fits
COMMENT Field name: /tmp/tmp.axy.H23A4e
COMMENT Field scale lower: 1.53103 arcsec/pixel
COMMENT Field scale upper: 1.56196 arcsec/pixel
COMMENT X col name: X
COMMENT Y col name: Y
COMMENT Start obj: 10
COMMENT End obj: 20
COMMENT Solved_in: (null)
COMMENT Solved_out: (null)
COMMENT Solvedserver: (null)
COMMENT Parity: 2
COMMENT Codetol: 0.01
COMMENT Verify pixels: 1 pix
COMMENT Maxquads: 0
COMMENT Maxmatches: 0
COMMENT Cpu limit: 300.000000 s
COMMENT Time limit: 0 s
COMMENT Total time limit: 0 s
COMMENT Total CPU limit: 300.000000 s
COMMENT Tweak: yes
COMMENT Tweak AB order: 2
COMMENT Tweak ABP order: 2
COMMENT -- properties of the matching quad: --
COMMENT index id: 4207
COMMENT index healpix: 6
COMMENT index hpnside: 1
COMMENT log odds: 116.169
COMMENT odds: 2.8294e+50
COMMENT quadno: 36495
COMMENT stars: 121372,121412,121379,121375
COMMENT field: 4,5,9,18
COMMENT code error: 0.000357701
COMMENT nmatch: 15
COMMENT nconflict: 0
COMMENT nfield: 752
COMMENT nindex: 15
COMMENT scale: 1.54446 arcsec/pix
COMMENT parity: 1
COMMENT quads tried: 833
COMMENT quads matched: 55
COMMENT quads verified: 1
COMMENT objs tried: 19
COMMENT cpu time: 0.006998
COMMENT --End of WCS--
COMMENT --(Put in by the new-wcs program)--